var aQuery=function(selector,context){
	return new aQuery.prototype.init();
}
aQuery.prototype={
	init:function(){
		return this;
	},
	name:function(){
		return "my name is dyp";
	},
	age:function(){
		return "my age is 24";
	}
}
var a=new aQuery();
console.log(a.age());

$=function(str){
	var _str=str;
	_str.addClass=function(){
		console.log("this is one function addClass");
	}
	return _str;
}
console.log($("sss").addClass);